MVC3 data-val-* 属性未从模型编辑器模板发出

Question

我已经为我当前的 MVC3 项目中的一个模型创建了一个编辑器模板。该模型正在为基础模式的属性调用正确的编辑器，但它们缺少用于验证的不显眼的 data-val-* 属性。

如何让 MVC 发出 data-val 属性？

这是我的模型

[MetadataType(typeof(FieldTripRouteMetadata))]
public partial class FieldTripRoute
{
    private class FieldTripRouteMetadata
    {
        [Required]
        [DisplayFormat(DataFormatString = "{0:d}")]
        public DateTime Date { get; set; }

        [Required]
        [DisplayName("Route")]
        public int RouteID { get; set; }

        [Required]            
        [DisplayName("Departure Time")]
        [UIHint("TimeWithPeriod")]
        [DisplayFormat(DataFormatString = "{0:h:mm tt}")]
        public DateTime DepartureTime { get; set; }

        [Required]
        [StringLength(255)]
        [DisplayName("Pickup Location")] 
        public String PickupLocation { get; set; }

        [Required]
        [StringLength(255)]
        public String Destination { get; set; }

        [Required]            
        [DisplayName("Arrival Time")]
        [UIHint("TimeWithPeriod")]
        [DisplayFormat(DataFormatString = "{0:h:mm t}")]
        public DateTime ArrivalTime { get; set; }

        public bool IsReturnRoute { get; set; }

        public int FieldTripID { get; set; }
    }

和编辑器模板：

@model FieldTripRoute

@{string routeType = (Model.IsReturnRoute ? "return" : "");}

<fieldset class="add@(routeType)Route" style="clear: both; width: 620px; margin-right: auto; margin-left: auto;">
    <legend>Add Route</legend>
    <div style="float: left; width: 275px;">
        <div>
            <div class="editor-label">@Html.LabelFor(model => model.Date)</div>
            <div class="editor-field">@Html.EditorFor(model => model.Date)</div>
            <div class="validation-error">@Html.ValidationMessageFor(model => model.Date)</div>
        </div>
        <div>
            <div class="editor-label">@Html.LabelFor(model => model.DepartureTime)</div>
            <div class="editor-field">@Html.EditorFor(model => model.DepartureTime)</div>
            <div class="validation-error">@Html.ValidationMessageFor(model => model.DepartureTime)</div>
        </div>
        <div>
            <div class="editor-label">@Html.LabelFor(model => model.ArrivalTime)</div>
            <div class="editor-field">@Html.EditorFor(model => model.ArrivalTime)</div>
            <div class="validation-error">@Html.ValidationMessageFor(model => model.ArrivalTime)</div>
        </div>
    </div>
    <div style="float: left;">
        <div>
            <div class="editor-label">@Html.LabelFor(model => model.RouteID)</div>
            <div class="editor-field">@Html.DropDownListFor(model => model.RouteID, Model.EditRouteList)</div>
            <div class="validation-error">@Html.ValidationMessageFor(model => model.RouteID)</div>
        </div>
        <div>
            <div class="editor-label">@Html.LabelFor(model => model.PickupLocation)</div>
            <div class="editor-field">@Html.TextBoxFor(model => model.PickupLocation)</div>
            <div class="validation-error">@Html.ValidationMessageFor(model => model.PickupLocation)</div>
        </div>
        <div>
            <div class="editor-label">@Html.LabelFor(model => model.Destination)</div>
            <div class="editor-field">@Html.EditorFor(model => model.Destination)</div>
            <div class="validation-error">@Html.ValidationMessageFor(model => model.Destination)</div>
        </div>          
    </div>        
    <div style="clear: both; width: 100px; margin: 20px auto 0 auto;">
        <input type="button" id="submit@(routeType)Form" name="submit@(routeType)Form" value="Add" />
    </div>
</fieldset>

和我的 viewModel：

public class FieldTripEditViewModel
{
    public FieldTrip Trip { get; set; }        
    public FieldTripRoute Route { get; set; }        
    public FieldTripRoute ReturnRoute { get; set; }

    public FieldTripEditViewModel(){}

    public FieldTripEditViewModel(FieldTrip trip)
    {
        this.Trip = trip;
        this.Route = new FieldTripRoute();
        this.ReturnRoute = new FieldTripRoute {IsReturnRoute = true};
    }
}

我查看了 这篇文章 和我的所有基本编辑器模板都符合将名称保留为空字符串以允许 MVC 生成它的想法。但我仍然没有得到验证。

Answer 1

我可以通过在编辑器模板之前和之后添加表单标签并添加 this.ViewContext.FormContext = new FormContext(); 来使其正常运行。
在编辑器模板的开头。

看起来，当控件传递到编辑器模板时，它会丢失当前的表单上下文。我尝试仅添加 ViewContext.FormContext 命令，但如果不添加表单标签，嵌入式模型将无法验证。

所以现在我在表单中有一个表单，它按预期工作，但似乎应该有一种更简单的方法。

formContext 命令的想法来自此处